1. gretel::BuchDarrah19
    Example data for gretel
    csv| json| rda| rds
    matrix|5 x
  2. gretel::OpsahlEtAl10
    Example data from Opsahl, Agneessens, Skvoretz (2010)
    csv| json| rda| rds
    matrix|5 x
  3. gretel::YangKnoke01
    Example data from Yang, Knoke (2001)
    csv| json| rda| rds
    matrix|5 x